20pcs KY-004 Electronic Switch Key Module For Arduino AVR PIC MEGA2560 Breadboard

Specifications: 1. Rating: 50mA 12VDC. 2. Contact Resistance : 50m max. (initial) 3. Insulation Resistance: 100M.(minDC 250V) 4. Dielectric Strength : AC250V.(50/60Hz for 1minute) 5. Electrically Life: 100,000cycles. 6. Environment Temperature: -25 to +105. 7. Operating Force: 180/230.(20gf) 8. Seal Temperature: 250-280. Key switch module and a digital interface, built-in 13 LED build a simple circuit to produce key warning lamp.13 comes with digital interfaces of the LED, theaccess number 3 button switch sensor interfaces, when the key switch sensor senses a key signal LED lights otherwise off. Package Included: 20 x For Arduino PIC AVR Key Switch Module KY-004 MEGA2560 Breadboard